Base | Representation |
---|---|
bin | 101000100011000… |
… | …011001111111100 |
3 | 1202102001122121000 |
4 | 220203003033330 |
5 | 2343122330423 |
6 | 151300410300 |
7 | 22600154556 |
oct | 5043031774 |
9 | 1672048530 |
10 | 680276988 |
11 | 319aa9196 |
12 | 16b9a6990 |
13 | aac25081 |
14 | 664c24d6 |
15 | 3eac8843 |
hex | 288c33fc |
680276988 has 48 divisors (see below), whose sum is σ = 1856512000. Its totient is φ = 214823664.
The previous prime is 680276977. The next prime is 680277023. The reversal of 680276988 is 889672086.
680276988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163708 + ... + 167811.
Almost surely, 2680276988 is an apocalyptic number.
It is an amenable number.
680276988 is an abundant number, since it is smaller than the sum of its proper divisors (1176235012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680276988 is a wasteful number, since it uses less digits than its factorization.
680276988 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 331551 (or 331543 counting only the distinct ones).
The product of its (nonzero) digits is 2322432, while the sum is 54.
The square root of 680276988 is about 26082.1200825393. The cubic root of 680276988 is about 879.4853171507.
The spelling of 680276988 in words is "six hundred eighty million, two hundred seventy-six thousand, nine hundred eighty-eight".
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